Porter, M. E. (1990). The competitive advantage of nations. New York: Free Press.
シカゴスタイル引用形Porter, Michael E. The Competitive Advantage of Nations. New York: Free Press, 1990.
MLA引用形式Porter, Michael E. The Competitive Advantage of Nations. New York: Free Press, 1990.
警告: この引用は必ずしも正確ではありません.